Home / 3,481.23-5,224.59-1,290.63

Finding the Fourth Proportional to 3,481.23, 5,224.59 and 1,290.63

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Solution

The fourth proportional to 3,481.23, 5,224.59 and 1,290.63 is: 1,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.23 : 5,224.59 = 1,290.63 : x
  2. Step 2: Convert to fraction form
    3,481.23/5,224.59 = 1,290.63/x
  3. Step 3: Cross multiply
    3,481.23x = 5,224.59 × 1,290.63
  4. Step 4: Simplify right side
    3,481.23x = 6,743,012.59
  5. Step 5: Solve for x
    x = 6,743,012.59/3,481.23
  6. Step 6: Final answer
    x = 1,936.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.